The Sunspot Observer - Average annual indices of solar activity NGDC - September, 2002

Statistics of sunspot activity

September, 2002

Visual indices of solar activity by National Geophysical Data Center

Date123456789101112131415161718192021222324252627282930Average%
W181.33238.50165.67225.33219.33166.33157.25182.75198.00196.50202.00204.50235.67210.25156.50147.67212.50219.25183.00213.50176.25197.00187.00194.50184.67141.00142.00109.00128.0089.67182.16100
Wn68.00113.5090.67121.67127.6794.0089.00106.25109.2599.5098.33110.75117.0071.5050.2545.6744.7543.5025.5026.2515.0037.3340.3369.5078.0079.6780.6764.6778.0059.6775.1941.28
Ws113.33125.0075.00103.6791.6772.3368.2576.5088.7597.00103.6793.75118.67138.75106.25102.00167.75175.75157.50187.25161.25159.67146.67125.00106.6761.3361.3344.3350.0030.00106.9758.72
n9.6712.008.6711.3310.007.008.7510.0010.259.007.337.508.337.007.508.6712.0013.2511.7513.2510.2512.0012.6711.5010.338.009.006.336.675.339.51100
A0.330.500.330.330.330.330.500.500.500.750.001.501.000.000.250.330.251.501.001.250.751.331.671.250.000.001.330.000.330.000.616.37
B0.330.500.670.670.330.000.250.250.501.000.670.752.000.500.250.330.751.250.250.750.250.330.000.750.330.000.670.000.330.670.515.37
C2.003.001.002.673.001.331.252.252.501.500.670.500.330.751.501.001.253.002.751.751.502.002.671.751.671.671.332.001.671.001.7117.96
D4.005.003.003.672.333.002.503.003.252.503.002.752.673.504.005.674.002.003.504.754.002.672.673.755.004.333.334.003.332.003.4436.16
E0.000.000.000.000.670.330.000.000.000.751.001.000.670.000.000.000.750.750.000.250.000.670.330.750.330.330.330.330.330.000.323.36
F0.671.000.671.001.000.670.250.250.750.750.670.751.000.750.000.000.000.000.000.000.000.000.330.000.000.000.000.000.330.000.363.80
G0.330.000.000.000.000.671.751.750.750.500.330.250.331.250.500.000.250.500.750.750.250.330.330.750.330.670.000.000.000.000.444.67
H0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.330.250.250.500.250.250.330.330.000.000.000.000.000.000.000.080.88
I2.002.003.003.002.330.672.252.002.001.251.000.000.330.251.001.004.504.003.003.503.254.334.332.502.671.002.000.000.331.672.0421.44
x0.671.001.001.000.670.330.750.751.001.750.672.253.000.500.500.671.002.751.252.001.001.671.672.000.330.002.000.000.670.671.1211.74
r0.000.500.000.330.000.000.000.500.250.250.330.251.000.750.250.331.001.250.250.000.000.330.330.250.000.000.000.000.330.330.293.10
s5.005.504.005.004.333.004.005.504.753.003.001.500.331.002.253.004.504.255.754.753.503.335.333.756.004.002.671.332.332.003.6238.08
a3.003.003.004.004.003.003.752.253.252.502.002.503.003.253.003.334.253.752.755.004.505.333.673.502.673.674.335.003.332.333.4336.07
h0.000.500.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.250.250.250.000.330.000.000.000.000.000.000.000.000.050.55
k1.001.500.671.001.000.670.251.001.001.501.331.001.001.501.501.331.251.001.501.251.251.001.672.001.330.330.000.000.000.000.9910.46
x2.332.503.333.332.671.002.752.502.502.001.001.501.330.251.251.675.005.754.505.004.256.006.333.752.671.003.330.000.671.672.7328.68
o6.678.004.675.335.004.335.006.506.005.254.673.754.334.505.005.675.255.755.756.755.004.675.005.755.675.674.335.335.002.675.2455.11
i0.331.000.672.332.001.331.001.001.251.251.331.502.001.751.001.331.751.501.250.500.251.001.002.001.671.330.670.670.671.001.2112.73
c0.330.500.000.330.330.330.000.000.500.500.330.750.670.500.250.000.000.250.251.000.750.330.330.000.330.000.670.330.330.000.333.48
CV180.00241.00134.67188.67168.00144.67143.00179.25178.75169.00165.67144.50137.67165.00157.50178.00192.75172.50204.50223.00172.75174.33191.67204.00208.00150.67118.33110.67107.6768.00165.81100
CVn75.0090.0067.33111.67111.0089.0067.0085.2589.2582.7582.3370.0063.0051.2547.5049.0039.0029.5026.0023.758.0016.6731.0081.50101.6791.3371.0066.3358.3343.6763.9738.58
CVs105.00151.0067.3377.0057.0055.6776.0094.0089.5086.2583.3374.5074.67113.75110.00129.00153.75143.00178.50199.25164.75157.67160.67122.50106.3359.3347.3344.3349.3324.33101.8461.42